Model: 538244

Valve Seat
Description:

0.495 inches overall height, 0.684 inches body outside diameter, 0.627 inches body inside diameter, 70.0 rockwell b hardness rating.

Special Features:

Two holes equally spaced 0.188 in. Dia, 0.040 in. Deep, body groove on unseated end, 0.089 in. Min, 0.099 in. Max w, 0.055 in. Min, 0.057 in. Max deep

Properties:

Overall Height
Between 0.495 inches and 0.500 inches
Body Outside Diameter
Between 0.684 inches and 0.686 inches
Body Inside Diameter
Between 0.627 inches and 0.630 inches
Hardness Rating
70.0 rockwell b and 100.0 rockwell b
Seating Surface Shape
Flat
Material
Steel comp 303s or steel comp 303se
Material Specification
Mil-s-7720 military specification single material response
NSN
4810-00-044-2763
Part Number
538244
Description
Seat,valve
CAGE
73030

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

Part 538244 NSN 4810-00-044-2763

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
3.7 X 2.5 X 1.2
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
60.0
WCC:
576
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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